16 Pen and pencil cases, pen and pencil holders; pens, pencils, ink for writing instruments, fountain pens, markers, highlighter pens, pencil sharpeners, letter openers, writing pads, desk pads, desktop sets comprising pens, pencils and notepads, memo pads, memo paper holders, self-adhesive labels, paper and cardboard labels and tags, folders, book covers, diaries and agendas covers, diaries and agendas, address books, book ends, bookmarks, desk file trays, desk blotter, letter racks, envelopes, plastic or paper envelopes for merchandise packaging; writing paper, desk calendars, boxes of cardboard or paper, paper handkerchiefs, coasters of paper